Debt And Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2016

Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]

Minimum and Maximum Interest Rate on debt repayment [Table Text Block]

Interest rate	Minimum interest rate	Maximum interest rate
Minimum and maximum Interest rates on long-term senior debt redemptions during 1st and 2nd quarters

Schedule of Long-term Debt Instruments [Table Text Block]

Long-term debt is summarized as follows:

(In thousands)	March 31, 2016		December 31, 2015
Junior subordinated debentures related to trust preferred securities	$	164,950	$	164,950
Subordinated notes	246,262		246,170
Senior notes	390,367		400,334
Capital lease obligations	869		912
Total	$	802,448	$	812,366

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

	Amounts reclassified from AOCI 1					Statement of income (SI) Balance sheet (BS)
(In thousands)	Three Months Ended March 31,
Details about AOCI components	2016		2015				Affected line item
Net realized gains (losses) on investment securities	$	28	$	(239	)	SI	Fixed income securities gains (losses), net
Income tax expense (benefit)	11		(91		)
	17		(148		)
Net unrealized gains on derivative instruments	$	2,997	$	1,016		SI	Interest and fees on loans
Income tax expense	1,139		387
	$	1,858	$	629

¹  Negative reclassification amounts indicate decreases to earnings in the statement of income and increases to balance sheet assets. The opposite applies to positive reclassification amounts.

Schedule Of Changes In Accumulated Other Comprehensive Income (Loss)

(In thousands)	Net unrealized gains (losses) on investment securities				Net unrealized gains (losses) on derivatives and other				Pension and post-retirement			Total
Three Months Ended March 31, 2016
Balance at December 31, 2015		$	(18,369	)		$	1,546		$	(37,789	)	$	(54,612	)
Other comprehensive income (loss) before reclassifications, net of tax		32,168				13,331			(665		)	44,834
Amounts reclassified from AOCI, net of tax		(17		)		(1,858		)	—			(1,875		)
Other comprehensive income (loss)		32,151				11,473			(665		)	42,959
Balance at March 31, 2016		$	13,782			$	13,019		$	(38,454	)	$	(11,653	)
Income tax expense included in other comprehensive income (loss)		$	20,192			$	6,920		$	665		$	27,777
Three Months Ended March 31, 2015
Balance at December 31, 2014		$	(91,921	)		$	2,226		$	(38,346	)	$	(128,041	)
Other comprehensive income before reclassifications, net of tax		11,424				2,189			—			13,613
Amounts reclassified from AOCI, net of tax		148				(629		)	—			(481		)
Other comprehensive income		11,572				1,560			—			13,132
Balance at March 31, 2015		$	(80,349	)		$	3,786		$	(38,346	)	$	(114,909	)
Income tax expense included in other comprehensive income		$	6,957			$	1,088		$	—		$	8,045